<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <meta name="viewport"
          content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">

    <title>签到</title>
</head>
<body>
<div style="margin: 0 auto; width: 20%;">
    <p style="font-size: 28px">
        {{ msg }}
    </p>
</div>
</body>
</html>